Walsh, S. Padraig, Anglo-American general encyclopedias: a historical bibliography, 1703-1967 (New York: Bowker, 1968, 270 pp.) Includes an historical bibliography, arranged alphabetically, with brief notes on the history of many encyclopedias; a chronology; indexes by editor and publisher; bibliography; and 18 pages of notes from a 1965 American Library Association symposium on encyclopedias.